AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  MACHO 102.23634.254  
AAVSO UID
000-BKT-979 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 11 26.56 -27 50 10.1  (272.86066 -27.83614) Search nearby
B1950.0 18 08 17.57 -27 50 53.2
Galactic coord. 3.788 -4.374
Other names

(Internal only)
2MASS J18112656-2750100 ASASSN-V J181126.56-275010.0 OGLE-BLG-LPV-259597
OGLE-III BLG228.7.14745 OGLE-IV BLG519.17.63188  
(Not logged in)  Add name
Variability type
M
Spectral type --
Mag. range
15.0: - 17.5: Rc
Discoverer Klaus Bernhard, Stefan Hümmerich
Epoch
16 Aug 1999 (HJD 2451407.0) Ephemeris
Outburst --
Period 222.9 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Hümmerich, Stefan Period jitter. Positional data was taken from 2MASS. J-K = 1.936 (2MASS).
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Iwanek, P.; et al., 2022, The OGLE Collection of Variable Stars: Nearly
66,000 Mira Stars in the Milky Way		 2022ApJS..260...46I
2 R.A. Allsman, T.S. Axelrod, 2001, arXiv:astro-ph/0108444 (MACHO online
data)		 2001astro.ph..8444A
External Links
Links open in a new window. Not all links may be valid for this particular target.
Location    Go   
Select a Location for more details.
Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 10.43H = 9.23K = 8.50J - K = 1.94
AllWISE W1 = 7.52W2 = 7.48W3 = 6.29W4 = 5.52W1 - W2 = 0.04W3 - W4 = 0.77
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 11 26.56 -27 50 10.1 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
Click document name to open or save. Browser plug-in or other software may be required for viewing.
1 MACHO 102.23634.254 - lightcurve and phase plot Hümmerich, Stefan 2012-12-22 18:30 UTC MACHO 102.23634.254 - lightcurve and phase plot
(Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
2 Otero, Sebastian Alberto 2023-02-27 21:05 UTC Period from 2022ApJS..260...46I. Gaia DR3 position.
1 Hümmerich, Stefan 2012-12-26 09:25 UTC Initial submission.

Guidelines    FAQ    Manual    Forum    Variability Types    Passbands    Copyright    Acknowledgments    Privacy    Contact    Help us   
The International Variable Star Index
© 2005-2025 American Association of Variable Star Observers (AAVSO)
Version 1.1 [C]
172.30.0.216